Graph perturbations

DOI10.1016/0168-9274(94)00045-XzbMath0827.65050OpenAlexW2913194701MaRDI QIDQ1344336

Robert Beauwens, B. Tombuyses

Publication date: 9 February 1995

Published in: Applied Numerical Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0168-9274(94)00045-x

zbMATH Keywords

numerical resultspreconditionersincomplete LU factorizationsgraph perturbationspectral condition numbersStieltjes matricesconsistent orderings

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35) Conditioning of matrices (15A12)

Related Items

Matrix compensation and diagonal compensation ⋮ Implementation strategies for block recursive factorizations

Uses Software

• symrcm
• DRIC

Cites Work

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• Modified block-approximate factorization strategies
• Lower eigenvalue bounds for pencils of matrices
• Preconditioned conjugate gradients for solving singular systems
• Conditioning analysis of positive definite matrices by approximate factorizations
• Factorization iterative methods, M-operators and H-operators
• The effect of ordering on preconditioned conjugate gradients
• Parallel concepts in graph theory
• ON ITERATIVE SOLUTION OF ELLIPTIC DIFFERENCE EQUATIONS ON A MESH-CONNECTED ARRAY OF PROCESSORS
• Iterative Solution Methods
• DRIC: A dynamic version of the RIC method

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